Fix black formatting

altair_saver/savers/_selenium.py

@@ -215,11 +215,16 @@ def _serve(cls, content: str, js_resources: Dict[str, str]) -> str:
         if cls._provider is None:
             cls._provider = Provider()
         resource = cls._provider.create(
-            content=content, route="", headers={"Access-Control-Allow-Origin": "*"},
+            content=content,
+            route="",
+            headers={"Access-Control-Allow-Origin": "*"},
         )
         cls._resources[resource.url] = resource
         for route, content in js_resources.items():
-            cls._resources[route] = cls._provider.create(content=content, route=route,)
+            cls._resources[route] = cls._provider.create(
+                content=content,
+                route=route,
+            )
         return resource.url
 
     @classmethod

altair_saver/savers/tests/test_html.py

@@ -75,7 +75,9 @@ def test_html_save(
 @pytest.mark.parametrize("embed_options", [None, {"theme": "dark"}])
 @pytest.mark.parametrize("case, data", get_testcases())
 def test_html_mimebundle(
-    case: str, data: Dict[str, Any], embed_options: Optional[dict],
+    case: str,
+    data: Dict[str, Any],
+    embed_options: Optional[dict],
 ) -> None:
     saver = HTMLSaver(data["vega-lite"], embed_options=embed_options)
     bundle = saver.mimebundle("html")

altair_saver/savers/tests/test_node.py

@@ -112,7 +112,9 @@ def exec_path(name: str) -> str:
 
 @pytest.mark.parametrize("suppress_warnings", [True, False])
 def test_stderr_suppression(
-    interactive_spec: JSONDict, suppress_warnings: bool, capsys: SysCapture,
+    interactive_spec: JSONDict,
+    suppress_warnings: bool,
+    capsys: SysCapture,
 ) -> None:
     message = "WARN Can not resolve event source: window"